74373489 has 12 divisors (see below), whose sum is σ = 108537156. Its totient is φ = 49070592.

The previous prime is 74373463. The next prime is 74373493. The reversal of 74373489 is 98437347.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40640625 + 33732864 = 6375^2 + 5808^2 .

It is not a de Polignac number, because 74373489 - 2⁷ = 74373361 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74373449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41724 + ... + 43469.

It is an arithmetic number, because the mean of its divisors is an integer number (9044763).

Almost surely, 2^74373489 is an apocalyptic number.

It is an amenable number.

74373489 is a deficient number, since it is larger than the sum of its proper divisors (34163667).

74373489 is a wasteful number, since it uses less digits than its factorization.

74373489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85296 (or 85293 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 74373489 is about 8624.0065514817. The cubic root of 74373489 is about 420.5387813380.

The spelling of 74373489 in words is "seventy-four million, three hundred seventy-three thousand, four hundred eighty-nine".